[Images in medicine] - Lichen planus pigmentosus - 19 June 2013.-gctid84815

[Ɔbenfo Ọbádélé]

Lichen planus pigmentosus (LPP) is a rare variant of lichen planus (LP), reported in various ethnic groups. It occurs predominantly in female in the third or fourth decade of life, characterized by insidious onset of dark-brown macules in sun exposed areas and flexural folds. The differential diagnosis may occur with drug-induced pigmentation, photosensitization and vitamin deficiency like pellagra.

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